Tadas wrote:
>> On Sat, 2009-11-14 at 20:50 +0100, Tadas wrote:
>>> Hello,
>>> Could you tell me if it's possible to make something like blurring image
>>> using "surface blur" (in PS4)filter  in GIMP? I didn't find anything
> similar
>>> in GIMP filters so maybe there is a plug-in which lets to do it?
>>> Surface blur is the filter which I was using in PS4 to automatically blur
> out
>>> of focus areas (it reduces noise much better than other filters for me)
> and
>>> not to blur sharp areas. I liked it because noise reduction filter
> blurred
>>> everything and I wanted to have still sharp image with reduced noise. But
> now
>>> I'm GIMP user. :) Everything is pretty good here, but "surface blur" is
> the
>>> function I miss. So I would be very grateful if you tell me if it's
> available
>>> in GIMP as plug-in or I simply don't find that function in GIMP.
>> The Selective Gaussian Blur plug-in might be able to provide a similar
>> result ( see http://docs.gimp.org/en/filters-blur.html ).
>> Sven
> Thanks, it really provides a similar result. However it's more similar to a
> PS smart blur filter, and surface blur filter provides better result (the
> difference is that surface blur reduces noise smoother than smart blur or
> selective blur in GIMP, which (it's about selective or smart blur) simply
> blurs some pixels so some are left unchanged). 
> Maybe there isn't the same filter available in GIMP, but I hope Selective
> blur will be a very useful filter for me :)


I recommend you to look at gmic (http://gmic.sourceforge.net/gimp.shtml)
It has very good denoising algorithms that you can probably apply on a 
selection and get a decent results :)


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